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Finding the Fourth Proportional to 174,616.56, 261,808.20 and 54,632.88

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Solution

The fourth proportional to 174,616.56, 261,808.20 and 54,632.88 is: 81,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,616.56 : 261,808.20 = 54,632.88 : x
  2. Step 2: Convert to fraction form
    174,616.56/261,808.20 = 54,632.88/x
  3. Step 3: Cross multiply
    174,616.56x = 261,808.20 × 54,632.88
  4. Step 4: Simplify right side
    174,616.56x = 14,303,335,973.62
  5. Step 5: Solve for x
    x = 14,303,335,973.62/174,616.56
  6. Step 6: Final answer
    x = 81,912.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.